00554naa#a2200169#i#450# EN\\bibl\96174 20250623060036.1 2782-4586 20241130b2024####ek#y0engy0150####ca RU Conceptual model of sustainable sourcing of the enterprise Journal article Moscow ITBO University 2024 12 с. Journal article local Политика в области закупок и поставок. 658.7.011.1 Kiryushin Sergey Aleksandrovich jomeam.ru